diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a2ce97e4..8c8d881e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ['3.12']
+        python-version: ['3.13']
         platform: [ubuntu-latest, windows-latest]
 
     runs-on: ${{ matrix.platform }}
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index ab512c73..def06bdb 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ['3.12']
+        python-version: ['3.13']
         platform: [ubuntu-latest, windows-latest]
 
     runs-on: ${{ matrix.platform }}
diff --git a/.github/workflows/publish-site.yml b/.github/workflows/publish-site.yml
index 4ca927cc..8f5a347a 100644
--- a/.github/workflows/publish-site.yml
+++ b/.github/workflows/publish-site.yml
@@ -24,4 +24,5 @@ jobs:
           pyproject_extras: dev
           python_version: '3.13'
           sphinx_build_options: -W
+          cache: true
           publish: ${{ github.ref_name == 'main' }}
diff --git a/README.rst b/README.rst
index d7943b35..3cd5bb22 100644
--- a/README.rst
+++ b/README.rst
@@ -75,4 +75,4 @@ See the `full documentation <https://vws-python.github.io/vws-python/>`__.
    :target: https://codecov.io/gh/VWS-Python/vws-python
 .. |PyPI| image:: https://badge.fury.io/py/VWS-Python.svg
    :target: https://badge.fury.io/py/VWS-Python
-.. |minimum-python-version| replace:: 3.12
+.. |minimum-python-version| replace:: 3.13
diff --git a/pyproject.toml b/pyproject.toml
index 7805ee18..f16742d4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ license = { file = "LICENSE" }
 authors = [
     { name = "Adam Dangoor", email = "adamdangoor@gmail.com" },
 ]
-requires-python = ">=3.12"
+requires-python = ">=3.13"
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Environment :: Web Environment",
@@ -27,7 +27,7 @@ classifiers = [
     "Operating System :: Microsoft :: Windows",
     "Operating System :: POSIX",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
 ]
 dynamic = [
     "version",
@@ -77,7 +77,7 @@ optional-dependencies.dev = [
     "sybil==9.1.0",
     "types-requests==2.32.0.20241016",
     "vulture==2.14",
-    "vws-python-mock==2024.8.30",
+    "vws-python-mock==2025.2.18",
     "vws-test-fixtures==2023.3.5",
     "yamlfix==1.17.0",
 ]
@@ -312,7 +312,7 @@ pep621_dev_dependency_groups = [
 [tool.pyproject-fmt]
 indent = 4
 keep_full_version = true
-max_supported_python = "3.12"
+max_supported_python = "3.13"
 
 [tool.pytest.ini_options]